Magnesium test cost in Massena, NY — inpatient
In Massena-Ogdensburg, NY, 3 hospitals list a cash price for magnesium blood test as an inpatient: from $59.96 to $108.80, with a median of $66.67. The lowest listed price is at Canton-Potsdam Hospital — $6.71 less than the median here. Across New York, the median is $27.88 at 64 hospitals.
Cash prices at 3 facilities across 3 cities for code 83735, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Massena-Ogdensburg, NY.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Canton-Potsdam Hospital lowest Potsdam, NY · (315) 265-3300 HC MAGNESIUM | $59.96 | $92.25 | — | 35% | Apr 1, 2026 source file |
| Slhs Massena Massena, NY · (315) 769-4234 HC MAGNESIUM | $66.67 | $102.57 | — | 35% | Apr 1, 2026 source file |
| Gouverneur Hospital Gouverneur, NY · (315) 287-1000 HC MAGNESIUM | $108.80 | $167.38 | — | 35% | — source file |
Inpatient: lowest $59.96, median $66.67, highest $108.80 — a 1.8× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $66.67 — that is the price to compare if you are not being admitted.
What it is
A magnesium test measures the level of magnesium in the blood. Doctors order it for muscle cramps or weakness, an irregular heartbeat, low potassium or calcium that does not correct, and for people on diuretics, long-term acid-reducing drugs or with kidney disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.